Senior Network Engineer
Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Oct 20, 2026. Kstack scores B on the Alion truth index.
Position Overview
We are seeking a highly skilled L3 Network Engineer with hands-on experience providing advanced production support, resolving complex network incidents, managing recurring issues, and conducting root cause analysis (RCA).
The ideal candidate will have extensive expertise in designing, implementing, supporting, and troubleshooting enterprise LAN, WAN, SD-WAN, wireless (Wi-Fi), and data center networks, with strong technical proficiency in Cisco, Juniper, Palo Alto Networks, and F5 technologies.
A solid understanding of routing and switching protocols, including BGP, OSPF, EIGRP, MPLS, VLANs, and Spanning Tree Protocol (STP), is essential.
This role also requires hands-on experience with firewalls, VPNs, load balancers, network security, performance tuning, and capacity planning. Candidates should have experience leading network upgrades, migrations, change management activities, and disaster recovery (DR) initiatives.
The successful candidate must be able to perform detailed root cause analyses and maintain accurate network documentation, standard operating procedures (SOPs), and network architecture diagrams.
Required Technical Skills
L3 Network Support & Troubleshooting: Advanced production support, complex incident resolution, and problem management.
Cisco & Juniper Networking: Strong hands-on experience with enterprise networking technologies.
Routing & Switching: In-depth knowledge of BGP, OSPF, EIGRP, MPLS, VLANs, and STP.
SD-WAN: Experience supporting and troubleshooting SD-WAN environments.
Palo Alto Firewalls & VPNs: Hands-on experience with firewall administration, VPN connectivity, and troubleshooting.
F5 Load Balancers: Experience managing and troubleshooting F5 load-balancing solutions.
LAN/WAN & Data Center Networking: Design, implementation, maintenance, and troubleshooting of enterprise network infrastructure.
Network Security: Strong understanding of network security technologies and best practices.
Root Cause Analysis (RCA) & Performance Optimization: Ability to identify underlying issues, optimize network performance, and support capacity planning.
Network Upgrades, Migrations & Disaster Recovery: Experience planning and executing network upgrades, infrastructure migrations, change activities, and disaster recovery procedures.
Project Management: Ability to coordinate and manage network-related projects and technical initiatives.
Language Requirements
Advanced English proficiency is required, including the ability to communicate effectively in professional and technical environments.